• C.1. Mapping the Earth

    1. C.1.M. Play Multiplayer 0 wins, 0 losses

    2. C.1.Q. Unit Challenge

    3. C.1.1. Reading a Map

      1. C.1.1.1. Basic Features
      2. C.1.1.2. Recognizing Types of Maps
      3. C.1.1.3. Understanding and Using Longitude and Latitude
      4. C.1.1.4. Understanding and Using a Scale
      5. C.1.1.P. Mixed Practice
    4. C.1.2. Contour Maps

      1. C.1.2.1. Uses of Contour Maps
      2. C.1.2.2. Reading a Contour Map
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  • C.2. Earth’s Structure

    1. C.2.M. Play Multiplayer 0 wins, 0 losses

    2. C.2.Q. Unit Challenge

    3. C.2.1. What’s Inside the Earth

      1. C.2.1.1. How Do We Know What’s Inside the Earth?
      2. C.2.1.2. The Core
      3. C.2.1.3. The Mantle
      4. C.2.1.4. The Crust
      5. C.2.1.P. Mixed Practice
    4. C.2.2. On Earth: The Four Layers

      1. C.2.2.1. What is the Atmosphere?
      2. C.2.2.2. What is the Hydrosphere?
      3. C.2.2.3. What is the Lithosphere?
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  • C.3. Rocks and their Properties

    1. C.3.M. Play Multiplayer 0 wins, 0 losses

    2. C.3.Q. Unit Challenge

    3. C.3.1. What Are Rocks?

      1. C.3.1.1. Igneous Rocks
      2. C.3.1.2. Sedimentary Rocks
      3. C.3.1.3. Metamorphic Rocks
      4. C.3.1.P. Mixed Practice
    4. C.3.2. Minerals

      1. C.3.2.1. What is a Mineral?
      2. C.3.2.2. Identifying Minerals Using Color
      3. C.3.2.3. Identifying Minerals Using Hardness
      4. C.3.2.4. Identifying Minerals Using Luster
      5. C.3.2.5. Identifying Minerals Using Streak
      6. C.3.2.6. Identifying Minerals Using Crystal Structure
      7. C.3.2.7. Identifying Minerals Using Cleavage and Fracture
      8. C.3.2.8. Identifying Minerals Using Specific Gravity
      9. C.3.2.P. Mixed Practice
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  • C.4. Earth’s History

    1. C.4.M. Play Multiplayer 0 wins, 0 losses

    2. C.4.Q. Unit Challenge

    3. C.4.1. Earth’s Changes

      1. C.4.1.1. Crustal Plates and Pangea
      2. C.4.1.2. Evidence of Earth’s Changes
      3. C.4.1.P. Mixed Practice
    4. C.4.2. Crustal Plate Movement

      1. C.4.2.1. Convergent Plate Movement: What Is It, and What Does it Create?
      2. C.4.2.2. Divergent Plate Movement: What Is It, and What Does it Create?
      3. C.4.2.3. Transforming Plate Movement: What Is It, and What Does it Create?
      4. C.4.2.P. Mixed Practice
    5. C.4.3. Earth’s Natural Processes

      1. C.4.3.1. Erosion and Weathering: How Things are Broken Down
      2. C.4.3.2. Deposition and Sedimentation: What Happens to Broken-Down Rock
      3. C.4.3.3. Soil’s Role
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  • C.5. Heat Transfer in the Earth System

    1. C.5.M. Play Multiplayer 0 wins, 0 losses

    2. C.5.Q. Unit Challenge

    3. C.5.1. Types of Heat Transfer

      1. C.5.1.1. How Radiation Works
      2. C.5.1.2. How Convection Works
      3. C.5.1.3. How Conduction Works
      4. C.5.1.P. Mixed Practice
    4. C.5.2. Heat Movement on Earth

      1. C.5.2.1. What Causes Sea Breezes?
      2. C.5.2.2. What Causes Land Breezes?
      3. C.5.2.3. Heat Transfer in the Mantle
      4. C.5.2.P. Mixed Practice
    5. C.5.3. The Water Cycle

      1. C.5.3.1. Understanding Evaporation
      2. C.5.3.2. Understanding Condensation
      3. C.5.3.3. Understanding Precipitation
      4. C.5.3.4. Understanding Runoff
      5. C.5.3.P. Mixed Practice
    6. C.5.4. Weather

      1. C.5.4.1. Uneven Heating: What Causes Weather
      2. C.5.4.2. Air Masses and Why They Matter
      3. C.5.4.3. What Are Fronts?
      4. C.5.4.4. The Role of Earth’s Tilt
      5. C.5.4.P. Mixed Practice
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  • C.6. Earth in the Solar System

    1. C.6.M. Play Multiplayer 0 wins, 0 losses

    2. C.6.Q. Unit Challenge

    3. C.6.1. Gravity

      1. C.6.1.1. What is Gravity?
      2. C.6.1.2. Gravity and the Formation of Planets and Stars
      3. C.6.1.3. Gravity’s Role in Our Solar System
    4. C.6.2. The Moon

      1. C.6.2.1. How Do We See the Moon?
      2. C.6.2.2. Why the Moon Has Phases
      3. C.6.2.3. How Eclipses Happen
      4. C.6.2.4. Tides
    5. C.6.3. Stars

      1. C.6.3.1. What Are Stars?
      2. C.6.3.2. The Sun
    6. C.6.4. The Earth’s Movement in Space

      1. C.6.4.1. Earth’s Orbit of the Sun
      2. C.6.4.2. Earth’s Rotation on its Axis
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